protão
Portuguese, noun/pɾoˈtɐ̃w̃/
protão is spelled P-R-O-T-Ã-O (6 letters) and appears about once in every 11 million words in written Portuguese, the 101,652nd most frequent Portuguese word form (wordfreq, 2021 data). Protão is a Portuguese masculine noun meaning “European Portuguese standard form of próton” (English Wiktionary, September 2026). The Portuguese Wiktionary (Wikcionário) defines it as “partícula sub-atómica de carga positiva que faz parte do núcleo de todos os átomos; a carga do protão é de…”.
What does protão mean in English?
noun
- 1
masculineEuropean Portuguese standard form of próton
Source: English Wiktionary, Portuguese section, dump of September 2, 2026 (CC BY-SA 4.0).
How Portuguese dictionaries define it
noun: 1. partícula sub-atómica de carga positiva que faz parte do núcleo de todos os átomos; a carga do protão é de 1,609x10⁻¹⁹ C (coulombs), igual à carga do eletrão, porém, sua massa é 1.840 vezes maior; o número de protões (número atómico) no núcleo de um átomo caracteriza os elementos químicos
The definition in the Portuguese Wiktionary (Wikcionário), in Portuguese.
Source: Portuguese Wiktionary (Wikcionário), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.
Forms of protão
- protões plural
Source: English Wiktionary and Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026).
How do you pronounce protão?
- Brazil /pɾoˈtɐ̃w̃/
- Brazil [pɾoˈtɐ̃ʊ̯̃]
- Portugal /pɾɔˈtɐ̃w̃/
Sources: English Wiktionary, Portuguese Wiktionary (Wikcionário) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.
English words that translate to protão
Source: the translation tables of the English Wiktionary, dump of September 2, 2026.
How common is protão in Portuguese?
protão appears about once in every 11 million words in written Portuguese.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).